Viacom's Dauman is bullish, thanks to digital By: CNBC.com News September 24, 2013 at 16:58 PM EDT Philippe Dauman, Viacom president and CEO, talks about why he is optimistic about the future of his business, and praises Twitter and Miley Cyrus. Read More >> Related Stocks: Amazon.com Facebook Goldman Sachs Group Intel Corp Sony Corp Time Warner Cable Viacom Walt Disney